1.15.1.2: superoxide reductase
This is an abbreviated version!
For detailed information about superoxide reductase, go to the full flat file.
Word Map on EC 1.15.1.2
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1.15.1.2
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desulfovibrio
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non-heme
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gigas
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desulfoarculus
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baarsii
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sulfate-reducing
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high-spin
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radiolysis
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rubrerythrin
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hildenborough
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hydroperoxo
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peroxo
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square-pyramidal
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ferric-hydroperoxo
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thiolate-ligated
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rubredoxin-like
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feiii-ooh
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agriculture
- 1.15.1.2
- desulfovibrio
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non-heme
- gigas
- desulfoarculus
- baarsii
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sulfate-reducing
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high-spin
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radiolysis
- rubrerythrin
- hildenborough
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hydroperoxo
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peroxo
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square-pyramidal
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ferric-hydroperoxo
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thiolate-ligated
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rubredoxin-like
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feiii-ooh
- agriculture
Reaction
Synonyms
1Fe SOR, 1Fe-SOR, 1Fe-superoxide reductase, 2Fe-SOR, class I SOR, class I superoxide reductase, class II SOR, cytochrome c–superoxide oxidoreductase, desulfoferrodoxin, desulforedoxin, Dfx, EC 1.18.96.1, Fe-SOR, GiSOR, MM_0632, More, neelaredoxin, neelaredoxin-type SOR, Nlr, PfSOR, rubredoxin oxidoreductase, SOR, superoxide reductase, TM0658, two-iron superoxide reductase, Zn/Fe-SOR
ECTree
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Natural Substrates Products
Natural Substrates Products on EC 1.15.1.2 - superoxide reductase
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REACTION DIAGRAM
desulforedoxin + H2O2
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reduced desulforedoxin + superoxide + 2 H+
desulforedoxin + H2O2
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reduced desulforedoxin + superoxide + 2 H+
desulforedoxin + H2O2
Megalodesulfovibrio gigas
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?
reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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?
reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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?
reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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?
reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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?
reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
Megalodesulfovibrio gigas
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reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
the enzyme may contribute to the protection of cells from oxygen radicals formed by flavoproteins during periodic exposure to oxygen in natural environments
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reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
the enzyme may contribute to the protection of cells from oxygen radicals formed by flavoproteins during periodic exposure to oxygen in natural environments
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reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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superoxide reductase mediates reduction of superoxide to hydrogen peroxide in an NADPH-dependent manner via a coupled reaction between NAD(P)H:rubredoxin oxidoreductase, rubredoxin, and superoxide reductase
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reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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reduced rubredoxin + superoxide + 2 H+
rubredoxin + H2O2
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oxidized rubredoxin + H2O2
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rubredoxin is assumed to be the physiological electron carrier
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reduced rubredoxin + superoxide + H+
oxidized rubredoxin + H2O2
blue non-heme iron enzyme that functions in anaerobic microbes as a defense mechanism against reactive oxygen species by catalyzing the reduction of superoxide to H2O2
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rubredoxin + H2O2
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reduced rubredoxin + superoxide + H+
rubredoxin + H2O2
desulfoferrodoxin is the key factor in the superoxide reductase dependent part of an alternative pathway for detoxification of reactive oxygen species in this obligate anaerobic bacterium
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reduced rubredoxin + superoxide + H+
rubredoxin + H2O2
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reduced rubredoxin + superoxide + H+
rubredoxin + H2O2
the enzyme catalyzes the one-electron reduction of O2 to H2O2, providing an antioxidant defense in some bacteria
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reduced rubredoxin + superoxide + H+
rubredoxin + H2O2
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reduced rubredoxin + superoxide + H+
rubredoxin + H2O2
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reduced rubredoxin + superoxide + H+
rubredoxin + H2O2
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superoxide scavenging by superoxide reductases constitutes an alternative detoxifying system to the canonical superoxide dismutases, instead of dismutating superoxide, SORs catalyse only the reductive reaction, forming hydrogen peroxide as a product
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reduced rubredoxin + superoxide + H+
rubredoxin + H2O2
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H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
Ignicoccus hospitalis KIN4/I / DSM 18386 / JCM 14125
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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superoxide + reduced acceptor + 2 H+
H2O2 + oxidized acceptor
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H2O2 + oxidized rubredoxin
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superoxide + reduced rubredoxin + 2 H+
H2O2 + oxidized rubredoxin
Desulfarculus baarsii ATCC 33931 / DSM 2075 / VKM B-1802 / 2st14
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in contrast to superoxide dismutases, EC 1.15.1.1, SORs do not catalyze the dismutation reaction of superoxide, but catalyze a one-electron reduction of superoxide to produce H2O2, without formation of O2, electron transfer mechanisms, detailed overview
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additional information
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in times of oxidative stress, enzyme efficiently diverts intracellular reducing equivalents to superoxide
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